Home / 140,710.04-194,161.80-80,277.20

Finding the Fourth Proportional to 140,710.04, 194,161.80 and 80,277.20

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Solution

The fourth proportional to 140,710.04, 194,161.80 and 80,277.20 is: 110,772.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,710.04 : 194,161.80 = 80,277.20 : x
  2. Step 2: Convert to fraction form
    140,710.04/194,161.80 = 80,277.20/x
  3. Step 3: Cross multiply
    140,710.04x = 194,161.80 × 80,277.20
  4. Step 4: Simplify right side
    140,710.04x = 15,586,765,650.96
  5. Step 5: Solve for x
    x = 15,586,765,650.96/140,710.04
  6. Step 6: Final answer
    x = 110,772.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.